Heavy Rain From the Central Plains to the Mid-Atlantic; Heat Wave Begins This Weekend

Strong to severe thunderstorms and heavy rain will impact portions of the central Plains into the Upper Midwest and the Mid-Atlantic through the weekend. A stretch of unusually hot and humid weather is expected across portions of the central U.S. and the Southeast beginning this weekend and continuing through next week. The heat may reach dangerous levels, particularly mid to late next week. Read More >

Normals and Records

First Freeze

First Freeze Normals
	Normal First Autumn 32° or Lower	First Freeze Date Last Year (2021)
Chicago (O'Hare)	October 19	November 2
Rockford	October 13	October 23

Normals are based on 1991-2020 data.

First Freeze Records
	Earliest First Autumn 32° or Lower	Latest First Autumn 32° or Lower
Chicago	September 22, 1995 (32°)	November 24, 1931 (30°)
Rockford	September 13, 1975 (32°)	November 11, 2016 (32°)

History of the Chicago and Rockford Weather Observation Sites.

Illinois Normal and Record First Freezes | Indiana Normal and Record First Freezes

This Autumn's Temperatures

Text Listing of Local Area Observed Low Temperatures

Maps of Midwest Recently Observed Low Temperatures

First Freeze Dates of this Autumn

Other Information

LOT RSS Feed

Heavy Rain From the Central Plains to the Mid-Atlantic; Heat Wave Begins This Weekend

Normal First Freeze Information